Eight children hospitalized after attack at Shanghai day care

Beijing (CNN) -- A day care worker in Shanghai attacked eight children with a knife Monday, sending five boys and three girls to the hospital with cuts on their necks and faces, Chinese state media reported.

The reports did not name the woman, but they said she was 30 years old and had worked at the kindergarten for the children of migrant workers for about three years and was under arrest.

All of the children are between 3 and 4 years old, state-media reported.